85135654 has 4 divisors (see below), whose sum is σ = 127703484. Its totient is φ = 42567826.

The previous prime is 85135651. The next prime is 85135679. The reversal of 85135654 is 45653158.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45653158 = 2 ⋅22826579.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85135651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21283912 + ... + 21283915.

It is an arithmetic number, because the mean of its divisors is an integer number (31925871).

Almost surely, 2^85135654 is an apocalyptic number.

85135654 is a deficient number, since it is larger than the sum of its proper divisors (42567830).

85135654 is a wasteful number, since it uses less digits than its factorization.

85135654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42567829.

The product of its digits is 72000, while the sum is 37.

The square root of 85135654 is about 9226.8983954523. The cubic root of 85135654 is about 439.9167438893.

The spelling of 85135654 in words is "eighty-five million, one hundred thirty-five thousand, six hundred fifty-four".